Yokogawa GC1000 Mark II Process Gas Chromatograph - Manual (Page 34)

<Toc> <Ind> <3. Overview >
3-13
IM 11B03A03-01E
(3)Communication
DCS
communi-cation
PC
communi-cation
1
1
Transmission :
Analysis result *4)
Calibration coefficient
Alarm
Reception :
Operation request
*5)
GCMT
(GC Maintenance Terminal)
Transmission :
Analysis result *4)
Operation information *6)
Parameter list
Reception :
Operation request *5)
Change of Parameter list
Item Signl level No. Description
*1) : Analysis result(concentration, simulated distillation result,
base level, signal level, noise level, Deviation calculation, Liner calculation1-5, Ratio, Separation
coefficient, Calorific value, Density, Compressive factor, Wobbe Index)
*2) : Operation request, (Stream sequence assign, Stream
(cont.) assign, Run command, Stop command, Pause command, Range change)
*3) : Operation Information(Chromatogram, Oven
temperature, measuring stream, Valve ON/OFF etc...)
T0304.EPS
Standard :
RS422 (4wires, Full-Duplex)
Specification :
Start bit 1, Stop bit 1, Parity 1, ASCII7 bit,
Without procedure or Hand shake
Speed :
1200/2400/4800/9600/19200 bps(selectable)
For explosion protection :
RS422/RS232C converter is provided.(2 wires
of power line is needed except the signal line)
The transmission type is full duplex for RS232C.
Standard :
RS422 (4wires, Full-Duplex)
Speed :
19.6/33.6kbps
For explosion protection :
RS422/RS232C converter is provided.(2 wires
of power line is needed except the signal line)
The transmission type is full duplex for RS232C.
3rd Edition : Aug. 23. 2006-00